Concentration::class, 'cost_price' => 'int', 'sale_price' => 'int', ]; } public function getSlugOptions(): SlugOptions { return SlugOptions::create() ->generateSlugsFrom('name') ->saveSlugsTo('slug'); } public function brand(): BelongsTo { return $this->belongsTo(Brand::class); } public function categories(): BelongsToMany { return $this->belongsToMany(Category::class); } public function outlets(): BelongsToMany { return $this->belongsToMany(Outlet::class); } }